Make default linear solver tolerance dependent on FP precision, to prevent convergence failure when using SINGLE_PRECISION
Make default linear solver tolerance dependent on FP precision, to
prevent convergence failure when using SINGLE_PRECISION


git-svn-id: ffc1bc5b3feaf8644044862cc38c386ade156493@1305 434f946d-2f3d-0410-ba4c-cb9f52fb0dbf

certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh